Pattern := "</td>\s+<td\s+class=""active"">([\d.]+).*?icon-(?:up|down)-open"">([\d.\+-]+)"
html := UrlDownloadToVar("http://minfin.com.ua/currency/mb")

RegExMatch(html, "is)<td>Покупка" . Pattern, buy)
MsgBox, % buy1 "`n" buy2

RegExMatch(html, "is)<td>Продажа" . Pattern, sale)
MsgBox, % sale1 "`n" sale2


UrlDownloadToVar(URL, UserAgent = "", ProxyServer = "", UserName = 0, Password = "")
{
   WebRequest := ComObjCreate("WinHttp.WinHttpRequest.5.1")
   ProxyServer ? WebRequest.SetProxy(HTTPREQUEST_PROXYSETTING_PROXY := 2, ProxyServer)
   WebRequest.Open("GET", Url)
   ProxyServer ? WebRequest.SetCredentials(UserName, Password, HTTPREQUEST_SETCREDENTIALS_FOR_PROXY := 1)
   UserAgent ? WebRequest.Option(WinHttpRequestOption_UserAgentString := 0) := UserAgent
   WebRequest.Send()
   Return WebRequest.ResponseText
}